Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Samsung Mobile Samsung Mobile Devices affected
Version Status Constraints
SMR May-2026 Release in Android 14, 15, 16 unaffected < *

No data.

No data.

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Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe

Project Subscriptions

Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=05 cve-icon
History

Wed, 13 May 2026 07:30:00 +0000

Type Values Removed Values Added
Title Out-of-bounds Write in SveService Enables Arbitrary Code Execution
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Weaknesses CWE-787
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Wed, 13 May 2026 06:00:00 +0000

Type Values Removed Values Added
Description Out-of-bounds write in SveService prior to SMR May-2026 Release 1 allows local privileged attackers to execute arbitrary code.
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-05-13T04:56:20.889Z

Reserved: 2025-12-11T01:33:35.804Z

Link: CVE-2026-21018

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T07:30:25Z

Weaknesses